# Math

Ryan burned 315 calories in 30 minutes . If ryan works out for 1.5 hours , how many calories can he expect to burn?

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1. 315/0.5 = x/1.5

Cross multiply and solve for x.

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posted by Ms. Sue
2. 1.5 hour = 90 minutes.
90 (time exercising) / 30 (time per session) = 3 (number of sessions)

315 (calories burns a session) * 3 (number of sessions) = 945 calories burned

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posted by Aniketos

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